发明名称 |
Information encoded in an expression |
摘要 |
Embodiments provide a method, and a device A device includes a writing element operable to form a mark on a surface corresponding to a movement of the writing element over the surface. The device also includes a controller operable to digitally encode information in the mark.
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申请公布号 |
US7813597(B2) |
申请公布日期 |
2010.10.12 |
申请号 |
US20060603336 |
申请日期 |
2006.11.20 |
申请人 |
THE INVENTION SCIENCE FUND I, LLC |
发明人 |
COHEN ALEXANDER J.;COHEN B. ISAAC;HARLOW ED;LEUTHARDT ERIC C.;LEVIEN ROYCE A.;MALAMUD MARK A. |
分类号 |
G06K9/00;B42D15/00;G06F3/038;G06K7/10;G06K9/18;G06K9/22;G06K9/30;G06K9/54;G06K9/60;G09C1/00 |
主分类号 |
G06K9/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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